The Sensing Unit,vacuum, cataloged under National Stock Number 3655-01-293-7644, is classified within Federal Supply Class 3655 (Gas Generating and Dispensing Systems, Fixed or Mobile) of the Special Industry Machinery group. The manufacturer of record is Metadure Parts & Sales, Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3655-01-293-7644 |
| Primary Part Number | 100663-2 |
| Item Name | Sensing Unit,vacuum |
| FSC / FSG | 3655 / 36 — Gas Generating and Dispensing Systems, Fixed or Mobile |
| Manufacturer | Metadure Parts & Sales, Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | CLEAN AND PACKAGE FOR USE WITH OXYGEN EQUIPMENT PER MIL-C-52211A,CLASS E A |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 100663-2 PRIMARY | Metadure Parts & Sales, Inc. (USA) |
NSN 3655-01-293-7644 is a Sensing Unit,vacuum, manufactured by Metadure Parts & Sales, Inc., classified under FSC 3655, Gas Generating and Dispensing Systems, Fixed or Mobile. Status: active.
NSN 3655-01-293-7644 has 1 manufacturer part number on file: 100663-2 (Metadure Parts & Sales, Inc.).
Key specifications for 100663-2: General Characteristics Item Description: CLEAN AND PACKAGE FOR USE WITH OXYGEN EQUIPMENT PER MIL-C-52211A,CLASS E A; End Item Identification: 3655-00-605-4126 LIQUID OXYGEN TRAILER. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 3655-01-293-7644 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.